71458880

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2087}}^1$

素因数の和:2211

約数の個数: 56

約数和(自身を含む): 171834048

約数和(自身を除く): 100375168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2087, 2140, 3424, 4174, 4280, 6848, 8348, 8560, 10435, 16696, 17120, 20870, 33392, 34240, 41740, 66784, 83480, 133568, 166960, 223309, 333920, 446618, 667840, 893236, 1116545, 1786472, 2233090, 3572944, 4466180, 7145888, 8932360, 14291776, 17864720, 35729440, 71458880]

約数ペア:

[(1, 71458880), (2, 35729440), (4, 17864720), (5, 14291776), (8, 8932360), (10, 7145888), (16, 4466180), (20, 3572944), (32, 2233090), (40, 1786472), (64, 1116545), (80, 893236), (107, 667840), (160, 446618), (214, 333920), (320, 223309), (428, 166960), (535, 133568), (856, 83480), (1070, 66784), (1712, 41740), (2087, 34240), (2140, 33392), (3424, 20870), (4174, 17120), (4280, 16696), (6848, 10435), (8348, 8560)]